docs: def to_xarray(self) -> "xarray.Dataset":
          """Convert to xarray.Dataset"""
          import xarray as xr
          data_vars = {
              "frequencies": xr.DataArray(self.frequencies, dims="bin"),
              "errors2": xr.DataArray(self.errors2, dims="bin"),
              "bins": xr.DataArray(self.bins, dims=("bin", "x01"))
          }
          coords = {}
          attrs = {
              "underflow": self.underflow,
              "overflow": self.overflow,
              "inner_missed": self.inner_missed,
              "keep_missed": self.keep_missed
          }
          attrs.update(self._meta_data)
          # TODO: Add stats
          return xr.Dataset(data_vars, coords, attrs)